Safety valve outlet piping
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Dear Haihao friends, must the piping at the outlet of the safety valve lead upward? Also, will the safety valve discharge only liquid?
The safety valve outlets have upper and lower positions; the outlet of the safety valve for circulating water is where the liquid is present
Our system is basically similar to a circulating water system; then, when there is overpressure, does the safety valve discharge water? I have limited experience; I’ve never worked on a safety valve like this before
They are available in both upper and lower versions, as well as in sealed forms; it mainly depends on the safety properties of the material, and both gas and liquid versions are available
If it is vented directly, the flow is upward; care should be taken to provide drain holes in the upward-facing pipes to prevent freezing in winter. The best location for the outlet flange of a low-wattage safety valve is at the highest point, so that the outlet does not freeze. I seem to remember that a standard specifies this
This post was last edited by jsjdwxc on 2017-7-12 23:35. In accordance with gb12241-2005 10.4.5, any conditions that could lead to blockages in the piping and drainage systems should be avoided, and drain pipes should be installed wherever applicable. . It is explained very clearly here: the outlet flange should be made as high as possible above the gas main, so that no water will accumulate
If the safety valve’s vent pipe leads upward directly or upward for a certain distance before venting in another direction, tears are generally provided below the elbow at the safety valve’s outlet. Note that the \"tear hole\" is a proper term; its size is usually 6 mm or 10 mm. A conduit can be installed to lead it to a designated location, or it can be discharged directly. It is mainly to prevent fluid accumulation.
It can operate in either upward or downward direction; it’s a safety valve designed for use with liquids, depending on the properties of the medium.
It can operate in either upward or downward direction; it’s a safety valve designed for use with liquids, depending on the properties of the medium.
It can operate in either upward or downward direction; it’s a safety valve designed for use with liquids, depending on the properties of the medium.
It mainly depends on what kind of material is inside the container or device; there is no fixed direction, and the direction of venting changes according to the type of material. This is just my personal understanding – feel free to correct me if I’m wrong.